CN114656545B - 蛋白aldh3、相关生物材料、其应用以及植物育种方法 - Google Patents

蛋白aldh3、相关生物材料、其应用以及植物育种方法 Download PDF

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CN114656545B
CN114656545B CN202011554886.6A CN202011554886A CN114656545B CN 114656545 B CN114656545 B CN 114656545B CN 202011554886 A CN202011554886 A CN 202011554886A CN 114656545 B CN114656545 B CN 114656545B
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杨永青
郭岩
李钦沛
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Abstract

本发明公开了蛋白ALDH3、相关生物材料、其应用以及植物育种方法。本发明提供的蛋白ALDH3为如下(1)或(2):(1)由序列表中SEQ ID No.2所示的氨基酸序列组成的蛋白质;(2)将序列表中SEQ ID No.2所示的氨基酸序列经过一个或几个氨基酸残基的取代和/或缺失和/或添加且具有相同功能的由(1)衍生的蛋白质。本发明为阐明蛋白ALDH3在植物盐碱逆境信号应答中的分子机制提供了理论依据,为培育和改良抗逆性植物新品种提供了基因资源。

Description

蛋白ALDH3、相关生物材料、其应用以及植物育种方法
技术领域
本发明涉及生物技术领域,尤其是涉及蛋白ALDH3、相关生物材料、其应用以及植物育种方法。
背景技术
土壤盐碱化是一个日益严峻的全球性问题,除自然产生的土壤盐分外,由于灌溉和气候变化,盐碱地的数量也在增加。盐、碱实际上是两种不同的非生物胁迫,盐对植物的有害作用既是由于土壤中钠的积累导致水的有效利用减少,同时又是钠和氯离子对植物的毒性作用,碱胁迫在盐胁迫的基础上还增加了高pH胁迫,其危害程度较盐胁迫更深。
土壤盐碱化对农林业生产和发展的影响日渐严重,挖掘植物耐盐碱基因,有助于研究盐碱胁迫的危害以及植物对盐碱胁迫的响应机制,选育耐盐碱品种,改良盐碱地,提高农作物的产量。
发明内容
本发明所要解决的技术问题是如何调控植物耐盐碱性和/或如何培育高耐盐碱性植物。该高耐盐碱性植物可为比野生型植物耐盐碱性更高的植物。
为了解决上述技术问题,本发明提供了蛋白ALDH3,所述蛋白ALDH3为如下(1)或(2):
(1)由序列表中SEQ ID No.2所示的氨基酸序列组成的蛋白质;
(2)将序列表中SEQ ID No.2所示的氨基酸序列经过一个或几个氨基酸残基的取代和/或缺失和/或添加且具有相同功能的由(1)衍生的蛋白质。
所述几个氨基酸残基具体可为十个以内的氨基酸残基。
本发明还提供了与上述蛋白ALDH3相关的生物材料,为下述B1)-B14)中的任一种:
B1)编码蛋白ALDH3的核酸分子;
B2)含有B1)所述核酸分子的表达盒;
B3)含有B1)所述核酸分子的重组载体、或含有B2)所述表达盒的重组载体;
B4)含有B1)所述核酸分子的重组微生物、或含有B2)所述表达盒的重组微生物、或含有B3)所述重组载体的重组微生物;
B5)含有B1)所述核酸分子的转基因植物细胞系、或含有B2)所述表达盒的转基因植物细胞系;
B6)含有B1)所述核酸分子的转基因植物组织、或含有B2)所述表达盒的转基因植物组织;
B7)含有B1)所述核酸分子的转基因植物器官、或含有B2)所述表达盒的转基因植物器官;
B8)降低或抑制蛋白ALDH3的核酸分子;
B9)含有B8)所述核酸分子的表达盒;
B10)含有B8)所述核酸分子的重组载体、或含有B9)所述表达盒的重组载体;
B11)含有B8)所述核酸分子的重组微生物、或含有B9)所述表达盒的重组微生物、或含有B10)所述重组载体的重组微生物;
B12)含有B8)所述核酸分子的转基因植物细胞系、或含有9)所述表达盒的转基因植物细胞系;
B13)含有B8)所述核酸分子的转基因植物组织、或含有B9)所述表达盒的转基因植物组织;
B14)含有B8)所述核酸分子的转基因植物器官、或含有B9)所述表达盒的转基因植物器官。
上文中,所述核酸分子可以是DNA,如cDNA、基因组DNA或重组DNA;所述核酸分子也可以是RNA,如mRNA、siRNA、shRNA、sgRNA、miRNA或反义RNA。
可选地,所述编码蛋白ALDH3的核酸分子是如下1)-4)中任一种的核酸分子:
1)核苷酸序列为序列表中SEQ ID No.3所示的核酸分子;
2)编码序列为序列表中SEQ ID No.1所示的核酸分子;
3)在严格条件下与1)或2)限定的DNA分子杂交且编码具有相同功能蛋白质的核酸分子;
4)与1)或2)限定的DNA分子至少具有70%、至少具有75%、至少具有80%、至少具有85%、至少具有90%、至少具有95%、至少具有96%、至少具有97%、至少具有98%或至少具有99%同源性且编码具有相同功能蛋白质的核酸分子。
术语“同一性”指与天然核酸序列的序列相似性。同一性可以用肉眼或计算机软件进行评价。使用计算机软件,两个或多个序列之间的同一性可以用百分比(%)表示,其可以用来评价相关序列之间的同一性。
可选地,所述编码蛋白ALDH3的核酸分子的基因组基因核苷酸序列如SEQ ID No.3所示,命名为ALDH3基因,来源于玉米B73-329。该基因编码蛋白ALDH3,其氨基酸序列如序列表SEQ ID No.2所示,蛋白的cDNA基因的CDS如SEQ ID No.1所示。
为了解决上述技术问题,本发明还提供了一种植物育种的方法,包括增加或降低目的植物中所述蛋白ALDH3的含量和/或活性,从而调控植物的耐盐碱性;
可选地,根据上述的方法,所述增加或降低目的植物中所述蛋白ALDH3的含量和/或活性包括将调控所述蛋白ALDH3编码基因表达的物质导入所述目的植物中。
调控基因表达的物质可为进行如下6种调控中至少一种调控的物质:1)在所述基因转录水平上进行的调控;2)在所述基因转录后进行的调控(也就是对所述基因的初级转录物的剪接或加工进行的调控);3)对所述基因的RNA转运进行的调控(也就是对所述基因的mRNA由细胞核向细胞质转运进行的调控);4)对所述基因的翻译进行的调控;5)对所述基因的mRNA降解进行的调控;6)对所述基因的翻译后的调控(也就是对所述基因翻译的蛋白质的活性进行调控)。
所述调控基因表达可为提高所述基因的表达也可为抑制或降低所述基因表达。
上述方法中,所述提高所述基因的表达可通过多拷贝、改变启动子、调控因子、转基因等本领域熟知的方法实现。例如,将蛋白ALDH3编码基因过表达载体导入所述目的植物,所述蛋白ALDH3编码基因过表达载体具体可为实施例提及的重组质粒pBCXUN-ALDH3。
可选地,根据上述的方法,其特征在于:所述调控所述蛋白ALDH3编码基因表达的物质为上述的B1)-B4)和B8)-B11)中任意一种生物材料。
蛋白ALDH3或上述的生物材料的应用也属于本发明的保护范围内。该应用具体可为在调控植物耐盐碱性中的应用或培育高耐盐碱性植物中的应用。
可选地,上文中,所述植物为双子叶植物或单子叶植物。所述单子叶植物可为禾本科植物,例如为玉米。
可选地,上文中,所述调控植物耐盐碱性为提高植物耐盐碱性。
本发明将来自ALDH3基因导入玉米B73-329中得到ALDH3的转基因过表达株系;与野生型B73-329相比较,过表达株系表现出显著的盐碱胁迫耐受性,从而证明,蛋白ALDH3的功能为提高植物对高盐碱的耐逆性。本发明为阐明蛋白ALDH3在植物盐碱逆境信号应答中的分子机制提供了理论依据,为培育和改良抗逆性植物新品种提供了基因资源。
附图说明
图1为实施例2的盐碱胁迫处理过程中植株的生长情况。
具体实施方式
下面结合具体实施方式对本发明进行进一步的详细描述,给出的实施例仅为了阐明本发明,而不是为了限制本发明的范围。以下提供的实施例可作为本技术领域普通技术人员进行进一步改进的指南,并不以任何方式构成对本发明的限制。
下述实施例中的实验方法,如无特殊说明,均为常规方法,按照本领域内的文献所描述的技术或条件或者按照产品说明书进行。下述实施例中所用的材料、试剂等,如无特殊说明,均可从商业途径得到。
实施例1、ALDH3基因过表达植物的构建
将pBCXUN-ALDH3基因过表达载体通过热激法转化到感受态农杆菌EHA105菌株中,菌落PCR鉴定出阳性克隆,挑选阳性克隆测序,含有pBCXUN-ALDH3的阳性克隆即为重组农杆菌,命名为pBCXUN-ALDH3/EHA105。
将pBCXUN-ALDH3/EHA 105单菌落接种于2-3mL含有100μg/mL卡那霉素和50μg/mL利福平的液体培养基中,28℃振荡培养过夜。第二天转接大量含有抗生素的液体培养基中震荡培养,转接几次后收集菌体,重新悬浮至OD600nm在0.8-1.0之间获得重组农杆菌菌悬液。采用获得的重组农杆菌菌悬液侵染B73-329玉米幼胚后,诱导愈伤成苗,然后依次进行共培养、抗性筛选(抗性筛选采用除草剂草丁膦)、然后依次进行预分化、分化、生根,得到T0代再生植株。从T0代再生植株中采用PCR鉴定法筛选转基因植株。将T0代中的转基因植株自交,获得T1代种子,T1代种子长成的植株即为T1代植株;植株自交直至获得T3代种子,即ALDH3过表达转基因植株T3代种子,将其中将不同T0代再生植株自交后获得的T3代株系分别命名为ALDH3-OE16040510#、ALDH3-OE 155#、ALDH3-OE 399#、ALDH3-OE 402#。
提取ALDH3-OE 16040510#、ALDH3-OE 155#、ALDH3-OE 399#、ALDH3-OE 402#的总RNA,反转录出cDNA,RT PCR检测ALDH3基因过表达情况。结果表明ALDH3过表达转基因植株中ALDH3基因表达量远高于未转基因的对照植株玉米B73-329。
其中,pBCXUN-ALDH3基因过表达载体的构建方法具体如下。
将ALDH3蛋白的cDNA基因的CDS(即SEQ ID No.1所示的DNA分子)插入pBCXUN中,得到重组质粒pBCXUN-ALDH3。重组质粒pBCXUN-ALDH3中,由Ubi启动子(maize ubiquitin-1promoter)驱动ALDH3蛋白的cDNA基因的CDS表达ALDH3蛋白,并由Nos终止子终止转录。
pBCXUN是将pCXUN(GenBank:FJ905215.1,06-JUL-2009)的HYG基因(hptII,潮霉素抗性基因)替换为Bar基因(编码膦丝菌素乙酰转移酶)(核苷酸序列为SEQ ID No.4),保持pCXUN的其它核苷酸不变得到的表达载体。
实施例2、ALDH3基因过表达玉米盐碱胁迫处理检测
实验设置两个处理组,对照组和实验组,实验重复3次,每次重复每组分别为10盆,每盆3-4粒种子。对照组采用B73-329玉米种子,实验组采用实施例1收获的ALDH3过表达转基因植株T3代种子。
采用不含营养土的纯蛭石种植,采用1/2Hoagland’s营养液浇灌。植株生长8天后(三叶期)浇灌含100mM NaHCO3(盐碱胁迫)的1/2Hoagland’s营养液(向1/2Hoagland’s营养液加入NaHCO3至NaHCO3含量为100mM得到的液体),每7天浇灌一次,每次每盆两升,生长40天观察表型,并测量植株株高。
图1显示盐碱胁迫处理的部分实验结果,盐碱胁迫处理40天后,实验组的植株表现出比对照组植株更强的耐盐碱性,叶片较绿,株高更高,实验组植株株高为对照组植株株高的1.4-1.8倍。
实验说明ALDH3正调控植物抗盐碱性。
以上对本发明进行了详述。对于本领域技术人员来说,在不脱离本发明的宗旨和范围,以及无需进行不必要的实验情况下,可在等同参数、浓度和条件下,在较宽范围内实施本发明。虽然本发明给出了特殊的实施例,应该理解为,可以对本发明作进一步的改进。总之,按本发明的原理,本申请欲包括任何变更、用途或对本发明的改进,包括脱离了本申请中已公开范围,而用本领域已知的常规技术进行的改变。按以下附带的权利要求的范围,可以进行一些基本特征的应用。
序列表
<110> 中国农业大学
<120> 蛋白ALDH3、相关生物材料、其应用以及植物育种方法
<130> 203357
<160> 4
<170> SIPOSequenceListing 1.0
<210> 1
<211> 4077
<212> DNA
<213> 人工序列(Artificial Sequence)
<400> 1
atggggaagg cgccggccgc ggtggtggtg gccgtgaacg ggcagcgtta cgaggccacc 60
ggtgtggatc cgtcgacgac gctgctggag ttcctgcgca cccagacgcc cgttaggggc 120
cccaagctcg gctgcggcga aggtggctgc ggtgcgtgcg tggtccttat ctccaagtac 180
aacccggcca ccgacgaggc gaccgagttc tcagcgagct cctgcctgac actgctccgt 240
agcattgacc gctgctcagt gaccacgagc gagggcattg gcaacaccaa ggatggctac 300
cacgcggtgc agcagcggct cgcaggcttc cacgcttccc agtgcggctt ctgcacgccg 360
ggcatctgca tgtcaatctt ctcagcgctg gccaaggccg acaaggtggc cagccgccct 420
accccgccca caggcttctc caagctcacc acctcggagg ctgaaaaggc cgtgtccggc 480
aacctgtgcc ggtgcaccgg atacaggccc atcgtcgacg cctgcaagag cttcgcggcg 540
gacgtggacc ttgaggatct gggtctcaac tgcttctgga ggaagggcga tgaacctgct 600
accgtcagca aactacctgg ctacagtagt gctgcagtct gcaccttccc tgagttcctc 660
aagtctgaga tcaagtcctc tagggagaat gcagatggtg ctgcagtagc agtctccagt 720
gatggctggt accatcctca aagcattgaa gagctccaca ggttgtttga ttcctactgg 780
tttgatgaaa gttctgtgaa gattgtggct gcaaacaccg ggtctggagt gtacaaggat 840
caggacctct atgacaagta cattgacatc aaaggaatac cagagctatc agtcatcaac 900
agcagcgtta agggaattga gcttggatcg gttgtgtcca tctctacagc cattgaggtg 960
ttgtcagatg gaaatctgat cttcagaaaa attgccgatc acctaagcaa agtggcttcg 1020
ccatttgttc ggaacacagc aaccataggt ggcaacataa tcatggcgca gaggttgcca 1080
ttcgagtcag acatagcaac tgtgctactg gctgcaggta caacagtcac aattcagaca 1140
gcttccaaaa ggttgtgcct tactttggag gagttcttgc agcagtctcc atgtgattct 1200
aggaccctgc tgatgagcat attcatccca aagtgggatt cagatggcat cacctttgag 1260
acattccggg cagcgcctcg gccatttggc aatgctgctt catatgtcaa tgctgctctc 1320
ttggcaagga cttcaactga tgcagcttca gggaagaaca tcatggagga tatatgcttg 1380
gtgttcggtg cttatggagc tgaccatgcc atcagagcta gcaaggtaga ggattttcta 1440
aagggaaaat cactgagctc ttctgttata cttaaagcag ttcagttgct taaagagacg 1500
gtttcaccac cagaaggcac aacacatcct gagtataggg tcagcttggc tgtcagcttc 1560
ttgttcacct tcttatcctc cttaaccaac agcatgaatg aaacagcaaa ggttaatgtt 1620
atcaatggat cacttactaa tagaactaca aatattagcg gtgggtactc actgaaggaa 1680
aatcttgagg ttgacagaaa ttatttacca atacactcaa gacaagaaat ggttttcggt 1740
gatgaataca agccagttgg caagccgatc aagaaagtcg gggcagagct ccaagcttct 1800
ggggaggctg tgtacgttga tgatatccct gttcccaagg gttgcttgta tggagcattt 1860
atctacagca cacgccctca tgctcatgtg aagggcatca acttcaaatc atctttggct 1920
tcacagaagg tcatcacagt cattactgca aaggatattc ccagaggcgg acaaaatata 1980
ggatccagct tcccgatgtt aggagaagaa gtgctttttg cagatcaagt tgttgaattt 2040
gctggtcaaa atattggcat cgtgatttct gaaacacaaa ggtatgctta tatggctgca 2100
aagcaagctg ttgttgagta tagcacagaa aatttgcagc caccaattct gactatacaa 2160
gatgccatcc aacagagcag ctacttccag attcccacat ttttatctcc taagccagtt 2220
ggtgattaca accaaggggt ttctaaggct gatcacactt tgtcagcaga ggtaaagctt 2280
gaatcccaat actattttta catggagaca caggtggcac tggctattcc tgatgaagac 2340
aactgcataa ccatctattc ctcgacgcaa tttgttgaga tcacacaaga tgtagttgca 2400
aggtgccttg gcattccgtt gcacaacgtc cgtgtgatca caagaagagt cggcggaggc 2460
tttggtggaa aggcaatgaa agcaatacac attgcatgtg catgcgccgt tgccgcattc 2520
aagctacagc gtcctgttaa gatgtacctt gatcgcaaga cggacatgat aatagcgggt 2580
gggcgacacc ctatgaagac aaagtattct gttgggttca aatcagatgg caagatcaca 2640
gccgtgcact tggaccttgg tctcaatgct ggaataacac cggatctgag tgcaatattg 2700
ccaaatacta tcattggtag tttcaaaaag tacaattggg gggctcttgc atttgacatc 2760
aagctctgca agacgaatgt ctcaccaaag tcaacaatgc gggctcctgg agaggtgcag 2820
ggatcattta ttgcagaagc catcgttgag catgttgcat cggtgctctc agtcgatacc 2880
aacaccatta ggaggaagaa ccttcatgac ttcaagagtc ttgcagcgtt ctacggagag 2940
agtgcgggtg aagcacccac atacacgctg gccaccatgt ttgataagct ggccttgtct 3000
ccagactacc agcacagagc tacaatggtt gagcacttca atagcagcaa caagtggaag 3060
aaacgtggca tttcttgtgt acccatcaca tatgaggtga gtcttcgggc tgctccaggc 3120
aaggtgtcta tcatgaatga cggttcaatt gctgttgaga ttggaggggt tgagataggc 3180
cagggcttgt ggacgaaagt gaagcagatg acagcatttg ggctgggaca actgtgtgct 3240
gatggcgggg aatgcctcct tgacaaggtg cggattatcc aggtcgactc gttgagcatg 3300
atccagggag ggttcaccgg tgggagcacc acttctgaaa atagttgcga agcggttcgg 3360
cattcgtgcc ttcgacttgt tgaaaggctc aagcctgtaa aggagagttt ggaggctaag 3420
ggtgccacaa tggaatgggg tgccttgatt gctcaggcaa gtatggcgag tgtgaactta 3480
tcagcgcatg catactggaa cccaacttcc aggagttact taaactatgg agctggcatt 3540
agtgaggtgg aagttgatgt actgacagga gcaaccacga tcctacggag cgacctcatt 3600
catgactgcg ggcagagcct gaaccctgca gtagaccttg gccaggtgga aggcgcattc 3660
atccaaggag tgggcttctt cacgaacgag gagtacaaaa cgaacaccga cggcatggtc 3720
atccatgacg gcacatggac gtacaagatt ccaacggtcg acaccatccc gaagcagttc 3780
aacgtcgagt taatcaacag cgctggcgat aggaagcgtg tcctttcatc caaagcgtcg 3840
ggcgagccac cgcttcttct cgcgtcgtcg gtgcactgtg cgatgaggga ggccatcagg 3900
gccgccagga aggagttctc tatctgcacc gggcccgcga actccgccgt cacgttccag 3960
atggacgtgc cggcgacgat gcccgtcgtc aaggagctct gcggactcga cgtcgtcgaa 4020
cgttacctcc agagcgtgtc agccggccca accaccccga gagccattag caaataa 4077
<210> 2
<211> 1358
<212> PRT
<213> 玉米(Zea mays)
<400> 2
Met Gly Lys Ala Pro Ala Ala Val Val Val Ala Val Asn Gly Gln Arg
1 5 10 15
Tyr Glu Ala Thr Gly Val Asp Pro Ser Thr Thr Leu Leu Glu Phe Leu
20 25 30
Arg Thr Gln Thr Pro Val Arg Gly Pro Lys Leu Gly Cys Gly Glu Gly
35 40 45
Gly Cys Gly Ala Cys Val Val Leu Ile Ser Lys Tyr Asn Pro Ala Thr
50 55 60
Asp Glu Ala Thr Glu Phe Ser Ala Ser Ser Cys Leu Thr Leu Leu Arg
65 70 75 80
Ser Ile Asp Arg Cys Ser Val Thr Thr Ser Glu Gly Ile Gly Asn Thr
85 90 95
Lys Asp Gly Tyr His Ala Val Gln Gln Arg Leu Ala Gly Phe His Ala
100 105 110
Ser Gln Cys Gly Phe Cys Thr Pro Gly Ile Cys Met Ser Ile Phe Ser
115 120 125
Ala Leu Ala Lys Ala Asp Lys Val Ala Ser Arg Pro Thr Pro Pro Thr
130 135 140
Gly Phe Ser Lys Leu Thr Thr Ser Glu Ala Glu Lys Ala Val Ser Gly
145 150 155 160
Asn Leu Cys Arg Cys Thr Gly Tyr Arg Pro Ile Val Asp Ala Cys Lys
165 170 175
Ser Phe Ala Ala Asp Val Asp Leu Glu Asp Leu Gly Leu Asn Cys Phe
180 185 190
Trp Arg Lys Gly Asp Glu Pro Ala Thr Val Ser Lys Leu Pro Gly Tyr
195 200 205
Ser Ser Ala Ala Val Cys Thr Phe Pro Glu Phe Leu Lys Ser Glu Ile
210 215 220
Lys Ser Ser Arg Glu Asn Ala Asp Gly Ala Ala Val Ala Val Ser Ser
225 230 235 240
Asp Gly Trp Tyr His Pro Gln Ser Ile Glu Glu Leu His Arg Leu Phe
245 250 255
Asp Ser Tyr Trp Phe Asp Glu Ser Ser Val Lys Ile Val Ala Ala Asn
260 265 270
Thr Gly Ser Gly Val Tyr Lys Asp Gln Asp Leu Tyr Asp Lys Tyr Ile
275 280 285
Asp Ile Lys Gly Ile Pro Glu Leu Ser Val Ile Asn Ser Ser Val Lys
290 295 300
Gly Ile Glu Leu Gly Ser Val Val Ser Ile Ser Thr Ala Ile Glu Val
305 310 315 320
Leu Ser Asp Gly Asn Leu Ile Phe Arg Lys Ile Ala Asp His Leu Ser
325 330 335
Lys Val Ala Ser Pro Phe Val Arg Asn Thr Ala Thr Ile Gly Gly Asn
340 345 350
Ile Ile Met Ala Gln Arg Leu Pro Phe Glu Ser Asp Ile Ala Thr Val
355 360 365
Leu Leu Ala Ala Gly Thr Thr Val Thr Ile Gln Thr Ala Ser Lys Arg
370 375 380
Leu Cys Leu Thr Leu Glu Glu Phe Leu Gln Gln Ser Pro Cys Asp Ser
385 390 395 400
Arg Thr Leu Leu Met Ser Ile Phe Ile Pro Lys Trp Asp Ser Asp Gly
405 410 415
Ile Thr Phe Glu Thr Phe Arg Ala Ala Pro Arg Pro Phe Gly Asn Ala
420 425 430
Ala Ser Tyr Val Asn Ala Ala Leu Leu Ala Arg Thr Ser Thr Asp Ala
435 440 445
Ala Ser Gly Lys Asn Ile Met Glu Asp Ile Cys Leu Val Phe Gly Ala
450 455 460
Tyr Gly Ala Asp His Ala Ile Arg Ala Ser Lys Val Glu Asp Phe Leu
465 470 475 480
Lys Gly Lys Ser Leu Ser Ser Ser Val Ile Leu Lys Ala Val Gln Leu
485 490 495
Leu Lys Glu Thr Val Ser Pro Pro Glu Gly Thr Thr His Pro Glu Tyr
500 505 510
Arg Val Ser Leu Ala Val Ser Phe Leu Phe Thr Phe Leu Ser Ser Leu
515 520 525
Thr Asn Ser Met Asn Glu Thr Ala Lys Val Asn Val Ile Asn Gly Ser
530 535 540
Leu Thr Asn Arg Thr Thr Asn Ile Ser Gly Gly Tyr Ser Leu Lys Glu
545 550 555 560
Asn Leu Glu Val Asp Arg Asn Tyr Leu Pro Ile His Ser Arg Gln Glu
565 570 575
Met Val Phe Gly Asp Glu Tyr Lys Pro Val Gly Lys Pro Ile Lys Lys
580 585 590
Val Gly Ala Glu Leu Gln Ala Ser Gly Glu Ala Val Tyr Val Asp Asp
595 600 605
Ile Pro Val Pro Lys Gly Cys Leu Tyr Gly Ala Phe Ile Tyr Ser Thr
610 615 620
Arg Pro His Ala His Val Lys Gly Ile Asn Phe Lys Ser Ser Leu Ala
625 630 635 640
Ser Gln Lys Val Ile Thr Val Ile Thr Ala Lys Asp Ile Pro Arg Gly
645 650 655
Gly Gln Asn Ile Gly Ser Ser Phe Pro Met Leu Gly Glu Glu Val Leu
660 665 670
Phe Ala Asp Gln Val Val Glu Phe Ala Gly Gln Asn Ile Gly Ile Val
675 680 685
Ile Ser Glu Thr Gln Arg Tyr Ala Tyr Met Ala Ala Lys Gln Ala Val
690 695 700
Val Glu Tyr Ser Thr Glu Asn Leu Gln Pro Pro Ile Leu Thr Ile Gln
705 710 715 720
Asp Ala Ile Gln Gln Ser Ser Tyr Phe Gln Ile Pro Thr Phe Leu Ser
725 730 735
Pro Lys Pro Val Gly Asp Tyr Asn Gln Gly Val Ser Lys Ala Asp His
740 745 750
Thr Leu Ser Ala Glu Val Lys Leu Glu Ser Gln Tyr Tyr Phe Tyr Met
755 760 765
Glu Thr Gln Val Ala Leu Ala Ile Pro Asp Glu Asp Asn Cys Ile Thr
770 775 780
Ile Tyr Ser Ser Thr Gln Phe Val Glu Ile Thr Gln Asp Val Val Ala
785 790 795 800
Arg Cys Leu Gly Ile Pro Leu His Asn Val Arg Val Ile Thr Arg Arg
805 810 815
Val Gly Gly Gly Phe Gly Gly Lys Ala Met Lys Ala Ile His Ile Ala
820 825 830
Cys Ala Cys Ala Val Ala Ala Phe Lys Leu Gln Arg Pro Val Lys Met
835 840 845
Tyr Leu Asp Arg Lys Thr Asp Met Ile Ile Ala Gly Gly Arg His Pro
850 855 860
Met Lys Thr Lys Tyr Ser Val Gly Phe Lys Ser Asp Gly Lys Ile Thr
865 870 875 880
Ala Val His Leu Asp Leu Gly Leu Asn Ala Gly Ile Thr Pro Asp Leu
885 890 895
Ser Ala Ile Leu Pro Asn Thr Ile Ile Gly Ser Phe Lys Lys Tyr Asn
900 905 910
Trp Gly Ala Leu Ala Phe Asp Ile Lys Leu Cys Lys Thr Asn Val Ser
915 920 925
Pro Lys Ser Thr Met Arg Ala Pro Gly Glu Val Gln Gly Ser Phe Ile
930 935 940
Ala Glu Ala Ile Val Glu His Val Ala Ser Val Leu Ser Val Asp Thr
945 950 955 960
Asn Thr Ile Arg Arg Lys Asn Leu His Asp Phe Lys Ser Leu Ala Ala
965 970 975
Phe Tyr Gly Glu Ser Ala Gly Glu Ala Pro Thr Tyr Thr Leu Ala Thr
980 985 990
Met Phe Asp Lys Leu Ala Leu Ser Pro Asp Tyr Gln His Arg Ala Thr
995 1000 1005
Met Val Glu His Phe Asn Ser Ser Asn Lys Trp Lys Lys Arg Gly Ile
1010 1015 1020
Ser Cys Val Pro Ile Thr Tyr Glu Val Ser Leu Arg Ala Ala Pro Gly
1025 1030 1035 1040
Lys Val Ser Ile Met Asn Asp Gly Ser Ile Ala Val Glu Ile Gly Gly
1045 1050 1055
Val Glu Ile Gly Gln Gly Leu Trp Thr Lys Val Lys Gln Met Thr Ala
1060 1065 1070
Phe Gly Leu Gly Gln Leu Cys Ala Asp Gly Gly Glu Cys Leu Leu Asp
1075 1080 1085
Lys Val Arg Ile Ile Gln Val Asp Ser Leu Ser Met Ile Gln Gly Gly
1090 1095 1100
Phe Thr Gly Gly Ser Thr Thr Ser Glu Asn Ser Cys Glu Ala Val Arg
1105 1110 1115 1120
His Ser Cys Leu Arg Leu Val Glu Arg Leu Lys Pro Val Lys Glu Ser
1125 1130 1135
Leu Glu Ala Lys Gly Ala Thr Met Glu Trp Gly Ala Leu Ile Ala Gln
1140 1145 1150
Ala Ser Met Ala Ser Val Asn Leu Ser Ala His Ala Tyr Trp Asn Pro
1155 1160 1165
Thr Ser Arg Ser Tyr Leu Asn Tyr Gly Ala Gly Ile Ser Glu Val Glu
1170 1175 1180
Val Asp Val Leu Thr Gly Ala Thr Thr Ile Leu Arg Ser Asp Leu Ile
1185 1190 1195 1200
His Asp Cys Gly Gln Ser Leu Asn Pro Ala Val Asp Leu Gly Gln Val
1205 1210 1215
Glu Gly Ala Phe Ile Gln Gly Val Gly Phe Phe Thr Asn Glu Glu Tyr
1220 1225 1230
Lys Thr Asn Thr Asp Gly Met Val Ile His Asp Gly Thr Trp Thr Tyr
1235 1240 1245
Lys Ile Pro Thr Val Asp Thr Ile Pro Lys Gln Phe Asn Val Glu Leu
1250 1255 1260
Ile Asn Ser Ala Gly Asp Arg Lys Arg Val Leu Ser Ser Lys Ala Ser
1265 1270 1275 1280
Gly Glu Pro Pro Leu Leu Leu Ala Ser Ser Val His Cys Ala Met Arg
1285 1290 1295
Glu Ala Ile Arg Ala Ala Arg Lys Glu Phe Ser Ile Cys Thr Gly Pro
1300 1305 1310
Ala Asn Ser Ala Val Thr Phe Gln Met Asp Val Pro Ala Thr Met Pro
1315 1320 1325
Val Val Lys Glu Leu Cys Gly Leu Asp Val Val Glu Arg Tyr Leu Gln
1330 1335 1340
Ser Val Ser Ala Gly Pro Thr Thr Pro Arg Ala Ile Ser Lys
1345 1350 1355
<210> 3
<211> 9364
<212> DNA
<213> 玉米(Zea mays)
<400> 3
catatttatg taaatactaa atatgtaaat acatttaatt ctctcataat atgtaaatac 60
taaatacgcg gccaaacata tataaaatgc atacataaat ataaaatgga tacgtaaata 120
ttttgcatat tatatatgat taattctgtt aaatatatgt atttatatac cgctttactg 180
ttggttcggg cgagtgcccg gcccggtccg ttgaggccca ccgggccaac gggccgaccc 240
ggcacgattt ttccctgtgc gtgtcgggtt tgggcatgtc cctaggcacg tgggccagcc 300
cgacccggcc cgaagcatca acaggccacg cctggcccgg ccctattcgt accgggccga 360
aacgggttcg ggccgggtcc gtgccgggtg gcccgtttgg acatctatag ccttagtgcg 420
ctggatggat agacaagtcc tttcttctca gcgtcattat ttcgctcttg ctgtcgcagg 480
cacaaatact acaataccgg gcggcggcgg cggcgtcagc gcgtgcatca ccagcggtgc 540
atccaggaaa ctcccactcc cgtgctacat atacaagtaa ggcatacagt gccacgtccc 600
acgatagcag tcagcagagg cagagcacag cagctccgtc gtgcactact gcactaggac 660
tggcgggtgg ggggtggccg cgcgcggaga tggggaaggc gccggccgcg gtggtggtgg 720
ccgtgaacgg gcagcgttac gaggccaccg gtgtggatcc gtcgacgacg ctgctggagt 780
tcctgcgcac ccagacgccc gttaggggcc ccaagctcgg ctgcggcgaa ggtacgagcg 840
ggcaaatgac gaccaggttg atatacattt atgcctttgt tcgaggagtc gagcagaatg 900
gagcggtttt attctagttt ttttatgttt agtttctaac aaaataggag cggagcggtg 960
cctgtagttt tcatatagaa atttactaaa aatagttgaa gtgcttccgc tccaccaaaa 1020
tggtcggata cgagcgctct tcttactctt ctctcctcta cactcatatg actctccaac 1080
caaacaaaga acagagcggc tccgctctat tctactcttc aaccaaacaa aaaatagagt 1140
gactatgttt tacttgtcaa acaaagaata gaacgactcc attctaaaaa aactagaacg 1200
gaaccgctcc attctaatgg actctccaac caaacgcacc ttaagttaat gtttggttta 1260
caaaatgtaa tgtaaatgac aatggtagta atgatcacat tcgagtgcta acaataataa 1320
gtttgaatag actgatattc gtttttagtg tgttatctga ttacgttgaa cttaaaaaac 1380
atgatttaac gttatctgtt atccatcacg ttacaattat gtgaatcaaa caacacctaa 1440
gtatgacgca aagctgcacc tttttccttg gcagcattag gactcaagag agaaggcctc 1500
gccataatgc aatgacctgg accaaaaaaa ctcgagagag ggcccacatt caaaagggtt 1560
ttagagaaac tattggtagc tattggagta ttacctattt ttgatttaat attttaaaga 1620
tatcctattt tttatgtttt gaaaattata tttttttgga cttattggag ttgttttaac 1680
cctataactt gagggtgcaa catattaccc tgatccctaa acaccttcag taaacaaggt 1740
taacttctag agacaatgcc cgatcctcga tttcccgcgg agaattcctc tattagggga 1800
atgaggaagt ttctcctcta tgaggatgta aacggaaaaa ttcttctccg acgagtaaat 1860
ggagataggt aagcattctc tatctccgtt tcccacgagg acccgttaaa cttacacgtg 1920
acatgttttc gtgtgatact taatgataaa aataaataat tatcttgtaa aagatcactt 1980
attgtacaaa tgtgtttatt ttgatgtgca tataatgatt ttttatatct agcaatattt 2040
ataaatgaca atgttttaca ttattattta ttaacaaaga acatacatct tagttataat 2100
ataagcgagg ttgggatctc tgtcagggat ttacctctgt ggaaaacggg gatgagaaag 2160
aaacgtccca gcaaacgttt gtaagaatct ccttgagcaa atgttttcgt cgcgaggaca 2220
gagatgaaag ctattgtcca acggagaatt tccggttgcc atacttacta gttccgtcta 2280
ccggccatgt agatcggtgt aacctaaatc atcatcagca tgctccgttt tgtccccttc 2340
ttgaagcaac cgaacaaagg caggcgctgc ctcgttcgtt tcaatcaagt ctccatcggt 2400
ttcaagtaca gctcctttgt ccagtttcct tgctccttct cgtcattttg gcgcgccacc 2460
atctcacgga aatgtcaaca acccaacgaa agcagtaaac cgtacatagg aaatgaaagc 2520
cagaggagat atttcaatgg aaaaatggca aaagtgcaac ttttttcccc ccatcaagcg 2580
tattagatgc ctttttccct tgcacaaaac gcttctccgg tttattcgac agacaaagga 2640
cttgtttagt ctgatgtgtg caagccagcc accgcttggc ggctcgcatt catctcatag 2700
agctcattct gagatgaagt actcctccct gctcttctcg atgggcatgt aaattaacag 2760
gcgcatgtat atgttgtatt gcgtatctca tacacaagaa gctaatacca aaggtagatt 2820
gattagcctt ggaaactcct ctccttttct tttcaattga aagaagcaac gatgtgcaat 2880
ttgcacggca caattacgct aacctactgc aaattttgaa atggaaaata acaacatcct 2940
ttgcattttt atctcaatga aatgataaga tagtccttct gtagtcttat atacgtgttc 3000
agcatccatc aagaaataac tccacgcctc gttttttaag aggcgagctt aacatttatg 3060
atgcacaata agtataatta cattaagcac gataaacttc ctcataataa aatatattct 3120
ctataataaa catactagag atataaatgt tgataacaga tgcgcagtta ttttttgaga 3180
ctggaggaat aacctgttgt gtgctcgcaa tttcctaatg cggcaggtgg ctgcggtgcg 3240
tgcgtggtcc ttatctccaa gtacaacccg gccaccgacg aggcgaccga gttctcagcg 3300
agctcctgcc tgacactgct ccgtagcatt gaccgctgct cagtgaccac gagcgagggc 3360
attggcaaca ccaaggatgg ctaccacgcg gtgcagcagc ggctcgcagg cttccacgct 3420
tcccagtgcg gcttctgcac gccgggcatc tgcatgtcaa tcttctcagc gctggccaag 3480
gccgacaagg tggccagccg ccctaccccg cccacaggct tctccaagct caccacctcg 3540
gaggctgaaa aggccgtgtc cggcaacctg tgccggtgca ccggatacag gcccatcgtc 3600
gacgcctgca agagcttcgc ggcggacgtg gaccttgagg atctgggtct caactgcttc 3660
tggaggaagg gcgatgaacc tgctaccgtc agcaaactac ctggctacag tagtgctgca 3720
gtctgcacct tccctgagtt cctcaagtct gagatcaagt cctctaggga gaatgcagat 3780
ggtgctgcag tagcagtctc cagtgatggc tggtaccatc ctcaaagcat tgaagagctc 3840
cacaggttgt ttgattccta ctggtttgat gaaagttctg tgaagattgt ggctgcaaac 3900
accgggtctg gagtgtacaa ggatcaggac ctctatgaca agtacattga catcaaagga 3960
ataccagagc tatcagtcat caacagcagc gttaagggaa ttgagcttgg atcggttgtg 4020
tccatctcta cagccattga ggtgttgtca gatggaaatc tgatcttcag aaaaattgcc 4080
gatcacctaa gcaaagtggc ttcgccattt gttcggaaca cagcaaccat aggtggcaac 4140
ataatcatgg cgcagaggtt gccattcgag tcagacatag caactgtgct actggctgca 4200
ggtacaacag tcacaattca gacagcttcc aaaaggttgt gccttacttt ggaggagttc 4260
ttgcagcagt ctccatgtga ttctaggacc ctgctgatga gcatattcat cccaaagtgg 4320
gattcagatg gcatcacctt tgagacattc cgggcagcgc ctcggccatt tggcaatgct 4380
gcttcatatg tcaatgctgc tctcttggca aggacttcaa ctgatgcagc ttcagggaag 4440
aacatcatgg aggatatatg cttggtgttc ggtgcttatg gagctgacca tgccatcaga 4500
gctagcaagg tagaggattt tctaaaggga aaatcactga gctcttctgt tatacttaaa 4560
gcagttcagt tgcttaaaga gacggtttca ccaccagaag gcacaacaca tcctgagtat 4620
agggtcagct tggctgtcag cttcttgttc accttcttat cctccttaac caacagcatg 4680
aatgaaacag caaaggttaa tgttatcaat ggatcactta ctaatagaac tacaaatatt 4740
agcggtgggt actcactgaa ggaaaatctt gaggttgaca gaaattattt accaatacac 4800
tcaagacaag aaatggtttt cggtgatgaa tacaagccag ttggcaagcc gatcaagaaa 4860
gtcggggcag agctccaagc ttctggtatt tcccctccaa tgtactgcct tgccaaaaca 4920
attattttga cagcatcagc ttataacctt tcttcagcat attctgcaaa atactgtata 4980
gtgatgctac tgttcatttt tagtacttcc tctgttccaa attatagacg ttttagtatt 5040
tctagatacg tagtctttac tacgtatcta gaaataatag cttatatata tctatgaatc 5100
taaaacgcct tataatttgg aacggatgga gtacaatagt tttgtcagtg ctgaaccatc 5160
tgaaaattca aatatgcata tttttcctca tattattggt tactgtatgc actgagctat 5220
atttatgttt cttacacagg ggaggctgtg tacgttgatg atatccctgt tcccaagggt 5280
tgcttgtatg gagcatttat ctacagcaca cgccctcatg ctcatgtgaa gggcatcaac 5340
ttcaaatcat ctttggcttc acagaaggtc atcacagtca ttactgcaaa ggatattccc 5400
agaggcggac aaaatatagg atccagcttc ccgatgttag gagaagaagt gctttttgca 5460
gatcaagttg ttgaatttgc tggtcaaaat attggcatcg tggtaaggtt gcttaaactg 5520
acctttataa gattaaatga gccagtaata agtcagtgta tacccagaat cttgaaaatt 5580
ctatcaagct taccacgcca tgttggtttt cgatcacaca gatttctgaa acacaaaggt 5640
atgcttatat ggctgcaaag caagctgttg ttgagtatag cacagaaaat ttgcagccac 5700
caattctgac tatacaagat gccatccaac agagcagcta cttccagatt cccacatttt 5760
tatctcctaa gccagttggt gattacaacc aaggggtttc taaggctgat cacactttgt 5820
cagcagaggt acatactaca tggtgcttcc ttttgttcca aaggccaaaa gggggagcat 5880
actccgagac ctaaaaagtg tccagcaagg gcgaaactta caccaagtac tttttgtttc 5940
cgcaggtaaa gcttgaatcc caatactatt tttacatgga gacacaggtg gcactggcta 6000
ttcctgatga agacaactgc ataaccatct attcctcgac gcaatttgtt gagatcacac 6060
aagatgtagt tgcaaggtgc cttggcattc cgttgcacaa cgtccgtgtg atcacaagaa 6120
gagtcggcgg aggctttggt ggaaaggcaa tgaaagcaat acacgtaagt cataactaac 6180
tagagctttt ctttgctaaa catcgtctat ttgtattgcc atccaaagtg gatgatgtga 6240
gatgccaaga atctcctcct tgtcagattg catgtgcatg cgccgttgcc gcattcaagc 6300
tacagcgtcc tgttaagatg taccttgatc gcaagacgga catgataata gcgggtgggc 6360
gacaccctat gaagacaaag tattctgttg ggttcaaatc agatggcaag atcacagccg 6420
tgcacttgga ccttggtctc aatgctggaa taacaccgga tctgagtgca atattgccaa 6480
atactatcat tggtagtttc aaaaagtaca attggggggc tcttgcattt gacatcaagc 6540
tctgcaagac gaatgtctca ccaaagtcaa caatgcgggc tcctggagag gtgcagggat 6600
catttattgc agaagccatc gttgagcatg ttgcatcggt gctctcagtc gataccaaca 6660
ccattaggag gaagaacctt catgacttca agagtcttgc agcgttctac ggagagagtg 6720
cgggtgaagc acccacatac acgctggcca ccatgtttga taagctggcc ttgtctccag 6780
actaccagca cagagctaca atggttgagc acttcaatag cagcaacaag tggaagaaac 6840
gtggcatttc ttgtgtaccc atcacatatg aggtgagtct tcgggctgct ccaggcaagg 6900
tgtctatcat gaatgacggt tcaattgctg ttgagattgg aggggttgag ataggccagg 6960
gcttgtggac gaaagtgaag cagatgacag catttgggct gggacaactg tgtgctgatg 7020
gcggggaatg cctccttgac aaggtgcgga ttatccaggt cgactcgttg agcatgatcc 7080
agggagggtt caccggtggg agcaccactt ctgaaaatag ttgcgaagcg gttcggcatt 7140
cgtgccttcg acttgttgaa aggctcaagc ctgtaaagga gagtttggag gctaagggtg 7200
ccacaatgga atggggtgcc ttgattgctc aggtgaaaat acccttatgt tatgacttta 7260
tctgttgtca catataccag ttaacctgat tgaaacagat accaagaatc acatgcaaat 7320
cttttgcctc cctcatttcc atcatcaatg tactgcgatc agtatgggta gcaaataagt 7380
gtgagatacc catcatttta ctattccaat tgtccgtgcc atttgttcgt catttgcagg 7440
caagtatggc gagtgtgaac ttatcagcgc atgcatactg gaacccaact tccaggagtt 7500
acttaaacta tggagctggc attagtgagg tagccctgat ccaaattgct atagtaacac 7560
tgtaaatgca attaacaagc caaattgttg gaggctgcag tttcagttct tcacgaagct 7620
gagacatgat tggaaatgtc atcacaggtg gaagttgatg tactgacagg agcaaccacg 7680
atcctacgga gcgacctcat tcatgactgc gggcagagcc tgaaccctgc agtagacctt 7740
ggccaggtta gcctcaaaca aaacttgatg ctgttagacc gtttgccaac agaaatatgc 7800
tgctctgaac actgctattg attcactcag gtggaaggcg cattcatcca aggagtgggc 7860
ttcttcacga acgaggagta caaaacgaac accgacggca tggtcatcca tgacggcaca 7920
tggacgtaca agattccaac ggtcgacacc atcccgaagc agttcaacgt cgagttaatc 7980
aacagcgctg gcgataggaa gcgtgtcctt tcatccaaag gtaaacctac tcttcagtgg 8040
cggacccagg attttatggc agcctaggct gtgagccagt actgcggtgc aggcctgcgg 8100
tagcctgggc tttgcatcct tttttgaact agggtcaaat acatgctcca tacagacgcg 8160
cgaggcagcc caggccgtgg cctgtggtgc ctgtgtactg cgtccgcctc tgctactctt 8220
ggaatgtctc atctcctcgg gcatccttgg ttcttgcaga ctttcctgaa cctcctgaga 8280
acttacgtac aaaaaatact gcaacttgag atcaccatac cagcataaca tggcaacagt 8340
ggctgcttgc gaccctgaca ctccggcttg gatctttgca gcgtcgggcg agccaccgct 8400
tcttctcgcg tcgtcggtgc actgtgcgat gagggaggcc atcagggccg ccaggaagga 8460
gttctctatc tgcaccgggc ccgcgaactc cgccgtcacg ttccagatgg acgtgccggc 8520
gacgatgccc gtcgtcaagg agctctgcgg actcgacgtc gtcgaacgtt acctccagag 8580
cgtgtcagcc ggcccaacca ccccgagagc cattagcaaa taatggtgtg tttagcctcg 8640
agtggcgtat gttgttgtga tgtatttcta gaaggacact gtaaaataac aatggcgagc 8700
agcgagcatg gcgaatgttt gtaggaaatc atttgatttt gactggttcc cggagaaatt 8760
ttgcaacgaa cccatcgtcg gggcgtccgt gcgtacctgg atagatgcgg atcggcttga 8820
agcctcgaac cagttcggag cctagccagc ttccggttag gcgccaggcc acgccggcgg 8880
acagtggccg ctgtgcctcc tcgagcgcca ttggctggct tggtgccggt tggggagagc 8940
agagacggcg agccgcgagc ccgatcgaat tggcggcggg gaagggaaat cagtgaacca 9000
tctccgcttg aatcggggga cctatctcgc ctgccagttc ggcaagggcc ccggttactt 9060
ggattcgtcg cagccgcaac ggacgtcttc gccgccgccg ccgccgccgc ccgccagcgt 9120
caggtatccg gcggtcggcg gtcccttctt tgctctggtt cccctatttc tcgaaagggt 9180
taatcagatg cgttgagttt tgatctgacg gacgttgtgc acgtgccgat cgtgtgccac 9240
ttactgctct acgcaagaca gtgttagcaa tttgcgaatt tcggtgattt ttttcgtttt 9300
cggtctcctg cgataactgg ggttcggtat aaattttgat tcagcattca atttttttta 9360
ttaa 9364
<210> 4
<211> 552
<212> DNA
<213> 吸水链霉菌(Streptomyces hygroscopicus)
<400> 4
atgagcccag aacgacgccc ggccgacatc cgccgtgcca ccgaggcgga catgccggcg 60
gtctgcacca tcgtcaacca ctacatcgag acaagcacgg tcaacttccg taccgagccg 120
caggaaccgc aggagtggac ggacgacctc gtccgtctgc gggagcgcta tccctggctc 180
gtcgccgagg tggacggcga ggtcgccggc atcgcctacg cgggcccctg gaaggcacgc 240
aacgcctacg actggacggc cgagtcgacc gtgtacgtct ccccccgcca ccagcggacg 300
ggactgggct ccacgctcta cacccacctg ctgaagtccc tggaggcaca gggcttcaag 360
agcgtggtcg ctgtcatcgg gctgcccaac gacccgagcg tgcgcatgca cgaggcgctc 420
ggatatgccc cccgcggcat gctgcgggcg gccggcttca agcacgggaa ctggcatgac 480
gtgggtttct ggcagctgga cttcagcctg ccggtaccgc cccgtccggt cctgcccgtc 540
accgagattt ga 552

Claims (7)

1.一种植物育种的方法,其特征在于:包括增加目的植物中蛋白ALDH3的含量,从而提高植物的耐盐碱性,所述蛋白ALDH3为由序列表中SEQ ID No.2所示的氨基酸序列组成的蛋白质;所述植物为单子叶植物。
2.根据权利要求1所述的方法,其特征在于:所述增加目的植物中蛋白ALDH3的含量包括将B1)-B4)中任意一种生物材料导入所述目的植物中,
B1)编码所述蛋白ALDH3的核酸分子;
B2)含有B1)所述核酸分子的表达盒;
B3)含有B1)所述核酸分子的重组载体、或含有B2)所述表达盒的重组载体;
B4)含有B1)所述核酸分子的重组微生物、或含有B2)所述表达盒的重组微生物、或含有B3)所述重组载体的重组微生物。
3.根据权利要求2所述的方法,其特征在于:所述编码所述蛋白ALDH3的核酸分子是如下1)或2)的核酸分子:
1)核苷酸序列为序列表中SEQ ID No.3所示的核酸分子;
2)编码序列为序列表中SEQ ID No.1所示的核酸分子。
4.权利要求1中所述的蛋白ALDH3或权利要求2中所述的生物材料在提高单子叶植物耐盐碱性中的应用。
5.权利要求1中所述的蛋白ALDH3或权利要求2中所述的生物材料在培育高耐盐碱性单子叶植物中的应用。
6.根据权利要求1-3任一项所述的方法、根据权利要求4或5所述的应用,其特征在于:
所述单子叶植物为禾本科植物。
7.根据权利要求6所述的方法或应用,其特征在于:
所述禾本科植物为玉米。
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